TK-2317
17
MCU: F363BEDFEKDLC (TX-RX unit IC820)
Pin No.
Signal Name
I/O
Function
1
BSHIFT
O
CPU clock frequency shift
2
LSDO
O
QT/DQT output
3
HSDENC
O
2-Tone/BEEP output
4
EN1
I
Encoder detect for direction
5
EN2
I
Pull up for P8_4 (EN2)
6
MODE
I
(Using E8a emulator)
7
NC
-
NC
8
PL_CLK
O
PLL IC clock output
9
RESET
-
Hardware reset input
10
XOUT
-
NC
11
VSS
-
GND
12
XIN
-
Main clock input (19.2MHz)
13
VCC
-
3.3V
14
EMPTT
O
Emergency PTT
15
EN2
I
Encoder interrupt
16
CM_IRQ
I
Baseband IC IRQ
17
INT0
I
Battery low interrupt (4.5V)
18
PL_UL
I
PLL IC unlock input
19
PTT
I
PTT input
20
PL_STB
O
PLL IC STB output
21
PL_DAT
O
PLL IC data output
22
NC
NC
23
33MSC
O
33MS control for switched 33M
24
TXD
O
Serial data (FPU) to PC
25
RXD
I
Serial data (FPU) from PC
26
EM_CLK
O
For E8a emulator
27
APCSW
O
APC enable/disable
28
TX/RX
O
TX/RX switch H: TX, L: RX
29
50VC
O
5V AVR control for GPS MIC op-
tion/OPT DET
30
5TC
O
5T control output
31
EP_DTO
O
EEPROM IC data output
32
EP_CLK
O
EEPROM IC clock output
33
CM_DTO
O
Baseband IC data output
34
EMP
O
For FDT tool
35
5RC
O
5R control output
36
EP_WP
O
EEPROM IC write protect output
37
EP_DTI
I
EEPROM IC data input
38
EP_CS
O
EEPROM IC chip select output
39
CE
O
For FDT tool
40
CM_CLK
O
Baseband IC clock output
SEMICONDUCTOR DATA
Pin No.
Signal Name
I/O
Function
41
CM_DTI
I
Baseband IC data input
42
CM_CNS
O
Baseband IC chip select output
43
DC_SW
O
APC voltage discharge switch
44
KEY1O
O
Key matrix output 1
45
KEY2O
O
Key matrix output 2
46
KEY3O
O
Key matrix output 3
47
KEY4O
O
Key matrix output 4
48
KEY1I
I
Key matrix input 1
49
KEY2I
I
Key matrix input 2
50
KEY3I
I
Key matrix input 3
51
KEY4I
I
Key matrix input 4
52
PF1
l
Side key 1 input
53
PF2
l
Side key 2 input
54
LCDBL
O
LCD backlight switch
L: ON, H: OFF
55
LC_INH
O
LCD diver IC INH output
56
LC_CLK
O
LCD diver IC clock output
57
LC_DAT
O
LCD diver IC date output
58
LC_CE
O
LCD diver IC chip enble output
59
LC_MOD
O
LCD diver IC mode output
60
HSDDEC
I
2-Tone/5-Tone decode input
61
QT/DQT
I
QT/DQT decode input
62
CVIN
I
VCO lock voltage reading for
auto alignment
63
BATT
I
Battery level input
64
VOX
I
VOX level input
65
BUSY
I
RX busy input
66
TH_DET
I
Temperature level input
67
RSSI
I
RSSI input
68
WID/NAR
O
Wide Narrow switch
H: WID, L: NAR
69
ASSIST
O
Assist switch
70
AF_MUT
O
Speaker mute output
71
MIC_MT
O
Mic mute output
72
MAN_DN
I
MAN down
73
5CC
O
5C control output
74
LEDBLU
O
Blue LED light control
75
AVSS
-
GND
76
LEDGRN
O
Green LED light control
77
VREF
-
3.3V for A/D reference
78
AVCC
-
3.3V
79
LEDRED
O
Red LED light control
80
OPTDET
I
Option detection input
